General Science 2

General Science Quiz 2

1)

Which of the following is the best conductor of electricity ?

A) Copper
B) Mica
C) Zinc
D) Silver

2)

Washing soda is the common name of —

A) Calcium Carbonate
B) Calcium Bi-Carbonate
C) Calcium Bi-Carbonate
D) Sodium Bi-Carbonate

3)

The filament of electric bulb is made of —

A) Iron
B) Nichromes
C) Tungsten
D) Graphite

4)

Bleaching powder is made from —

A) Sulphur dioxide and gypsum
B) Chlorine and Charcoal
C) Soda ash and lime
D) Lime and Chlorine

5)

The two elements that are frequently used for making transistors are —

A) Boron and Aluminium
B) Silicon and Germenium
C) Iridium and Tungsten
D) Niobium and Columbium

6)

Which of the following gas is not known as green house gas ?

A) Methane
B) Carbon dioxide
C) Nitrous oxide
D) CFC

7)

Which of the following is not a neutral oxide ?

A) Carbon Monoxide
B) Sulphur Dioxide
C) Water
D) Nitric Oxide

8)

Which of the following is used in making smoke bombs ?

A) Sulphur
B) Phosphorus
C) Hydrogen
D) Carbon

9)

Caustic Soda is —

A) Nacl
B) Na2CO3
C) NaOH
D) NaHCO3

10)

Chemical formula of Water glass is —

A) Na2SiO3
B) Al2O3
C) NaAlO2
D) CaSiO3